What does DETN stand for?

Detection

The determination of the location of survivors or survival craft, (SOLAS, Chapter III).

Detention

A penalty charge against shippers or receivers for delaying the carrier's equipment outside the port, terminal or depot beyond the allowed Free Time. For more information see: Demurrage, Per Diem and Storage.

Deiense Education and Training Network

Defense Education & Training Network

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Detector

A device in a radiometer that senses the presence and intensity of radiation. The incoming radiation is usually modified by filters or other optical components that restrict the radiation to a specific spectral band. The information can either be transmitted immediately or recorded for transmittal at a later time.or  An instrument to detect the unbalance in a bridge circuit.